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Hydrochloric Acid → 6-Acetyl-8-cyclopentyl-5-methyl-2-(5-morpholin-4-yl-pyridin-2-ylamino)-8H-pyrido[2,3-d]pyrimidin-7-one

HRID 272490
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 272490
[CH:1]1([N:6]2[C:11]3[N:12]=[C:13]([NH:16][C:17]4[CH:22]=[CH:21][C:20]([N:23]5[CH2:28][CH2:27][O:26][CH2:25][CH2:24]5)=[CH:19][N:18]=4)[N:14]=[CH:15][C:10]=3[C:9]([CH3:29])=[C:8]([C:30]([O:32]CC)=[CH2:31])[C:7]2=[O:35])[CH2:5][CH2:4][CH2:3][CH2:2]1.Cl>ClCCl.C(OCC)C.C([O-])(O)=O.[Na+]>[C:30]([C:8]1[C:7](=[O:35])[N:6]([CH:1]2[CH2:5][CH2:4][CH2:3][CH2:2]2)[C:11]2[N:12]=[C:13]([NH:16][C:17]3[CH:22]=[CH:21][C:20]([N:23]4[CH2:24][CH2:25][O:26][CH2:27][CH2:28]4)=[CH:19][N:18]=3)[N:14]=[CH:15][C:10]=2[C:9]=1[CH3:29])(=[O:32])[CH3:31]
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Komponenten

6

Edukt 2

HCID 313Hydrochloric Acid2×HCID 102174038-cyclopentyl-6-(1-ethoxy-vinyl)-5-methyl-2-(5-morpholin-4-yl-pyridin-2-ylamino)-8H-pyrido[2,3-d]pyrimidin-7-one

Produkt 1

HCID 53303036-Acetyl-8-cyclopentyl-5-methyl-2-(5-morpholin-4-yl-pyridin-2-ylamino)-8H-pyrido[2,3-d]pyrimidin-7-oneAusbeute 60,7 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 3283Diethyl EtherLösungsmittel2×
HCID 6344DichloromethaneLösungsmittel2×
HCID 516892Sodium BicarbonateLösungsmittel

Versuchsvorschrift

8-Cyclopentyl-6-(1-ethoxy-vinyl)-5-methyl-2-(5-morpholin-4-yl-pyridin-2-ylamino)-8H-pyrido[2,3-d]pyrimidin-7-one (0.490 g, 1.03 mmol) was dissolved in dichloromethane (5 mL). 2 N HCl in diethyl ether (3 mL) was added and the resulting mixture was stirred at room temperature for 4 hours. Then, additional 2 N HCl in diethyl ether (2 mL) was added and the mixture was stirred for an additional 12 hours. The reaction mixture was diluted with dichloromethane and aqueous NaHCO3. The layers were separated and the organic layer was dried over MgSO4, filtered, and the solvent evaporated to give a yellow solid. The solid was recrystallized from a mixture of hexanes, ethyl acetate and dichloromethane to give 6-acetyl-8-cyclopentyl-5-methyl-2-(5-morpholin-4-yl-pyridin-2-ylamino)-8H-pyrido[2,3-d]pyrimidin-7-one as a yellow solid (0.280 g, 60.7%). MS (APCI); M++1: Calc'd, 449.2. Found 449.2. 1H NMR δ(400 MHz, DMSO-d6) 8.79 (s, 1H), 8.17 (d, J=9.0 Hz, 1H), 8.02 (d, J=2.7 Hz, 1H), 7.31 (dd, J=2.9, 9.0 Hz, 1H), 5.86 (m, 1H), 3.88 (m, 4H), 3.15 (m, 4H), 2.54 (s, 3H), 2.36 (s, 3H), 2.32 (m, 2H),2.05 (m, 2H), 1.87 (m, 2H), 1.68 (m, 2H).

Aufarbeitung

  1. stirringthe mixture was stirred for an additional 12 hours
  2. customThe layers were separated
  3. dry with materialthe organic layer was dried over MgSO4
  4. filtrationfiltered
  5. customthe solvent evaporated
  6. customto give a yellow solid
  7. customThe solid was recrystallized from a mixture of hexanes, ethyl acetate and dichloromethane

Quellen und Nachweise

ORD-Eintrag
ord-48103a919c8846269999a95070158c35
Quelldatensatz
uspto-grants-2008_11
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07456168B2

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